30865738673 has 32 divisors (see below), whose sum is σ = 38981599488. Its totient is φ = 23740416000.

The previous prime is 30865738669. The next prime is 30865738681. The reversal of 30865738673 is 37683756803.

It is not a de Polignac number, because 30865738673 - 2² = 30865738669 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30865738633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2614961 + ... + 2626737.

It is an arithmetic number, because the mean of its divisors is an integer number (1218174984).

Almost surely, 2^30865738673 is an apocalyptic number.

It is an amenable number.

30865738673 is a deficient number, since it is larger than the sum of its proper divisors (8115860815).

30865738673 is a wasteful number, since it uses less digits than its factorization.

30865738673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12233.

The product of its (nonzero) digits is 15240960, while the sum is 56.

The spelling of 30865738673 in words is "thirty billion, eight hundred sixty-five million, seven hundred thirty-eight thousand, six hundred seventy-three".